基于结合部的HSK主轴-刀柄系统动态特性分析

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摘要

建立了HSK主轴-刀柄结合部的有限元模型(FEM)，利用弹性理论和黏性阻尼理论辨识结合部内各位置的刚度和阻尼参数。提出将HSK主轴-刀柄系统分为HSK主轴、主轴-刀柄结合部和刀柄三部分:HSK主轴与刀柄简化为多段Timoshenko梁，并使用响应耦合法来计算其频响函数;主轴-刀柄结合部简化为多点弹簧-阻尼模型，采用多点响应耦合法来计算其频响函数;将各个部件的频响函数进行刚性耦合，进而获得基于结合部的HSK主轴-刀柄系统频响函数。分别假定HSK主轴-刀柄结合部为刚性连接、5点弹性连接和7点弹性连接,计算其频响函数,并与实验结果相比较得到相应的结论。

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	郑登升1

关键词 ： HSK主轴-刀柄系统, 频响函数, 结合部, 动态特性

Abstract：

The HSK spindle-toolholder FEM was modeled and the stiffness and damp parameters of joint
part were identified with elastic theory and damp theory.The HSK spindle-toolholder system
could be divided into three parts,such as HSK spindle,spindle-toolholder joint part and toolholder. HSK spindle and toolholder could be simplified as Timoshenko beam, and the FRF could be gained with receptance coupling theory.The spindle-toolholder joint part might be simplified as spring-damp model,and the FRF could be achieved with multi-points receptance coupling theory. Then the FRF of system was gained with rigid coupling theory.The spindle-toolholder was treated as rigid connection,five-points connection and seven-points connection,and the tip-point FRFs of system were computed.At last, comparing these FRFs with experimental FRF, some results may be obtained.

Key words： joint part dynamic performance

PACS:

TG504

基金资助:国家科技重大专项（2013ZX04009031）
National Science and Technology Major Project（No. 2013ZX04009031）

引用本文:

陈建1;王贵成1,3;田良2;沈春根1;郑登升1. 基于结合部的HSK主轴-刀柄系统动态特性分析[J]. 88必发娱乐手机版, 2016, 27(03): 296-301.
Chen Jian1;Wang Guicheng1,3;Tian Liang 2;Shen Chungen1;Zheng Dengsheng1. Dynamic Property Analysis of HSK Spindle-toolholder System Based on Joint Part. China Mechanical Engineering, 2016, 27(03): 296-301.

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